CVE-2026-64434

The provided reports (Linux kernel CVE-2026-64434) detail a use-after-free in Bluetooth L2CAP channel timeout (l2cap_chan_timeout) where chan->conn could be freed while a timer is pending. The effective fix is to have the channel hold a reference to the associated l2cap_conn (via l2cap_conn_ge...

EUVD-2026-48953

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64409

The CVE-2026-64409 issue concerns the Linux kernel Bluetooth btmtksdio driver. The problem is an infinite loop in btmtksdio_txrx_work() caused by incorrect timeout logic using time_is_before_jiffies, which can cause the loop to continue after a 5HZ threshold and prevent releasing the SDIO host, y...

CVE-2026-64409 Bluetooth: btmtksdio: fix infinite loop in btmtksdio_txrx_work()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64409 Bluetooth: btmtksdio: fix infinite loop in btmtksdio_txrx_work()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64333

The CVE-2026-64333 issue affects the Linux kernel USB serial driver digi_acceleport. The vulnerability was caused by digi_write_inb_command() not properly handling timeouts: it could update the transfer buffer and resubmit the URB on timeout, and for break-control type commands with no timeout it...

CVE-2026-64333 USB: serial: digi_acceleport: fix write buffer corruption

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64333 USB: serial: digi_acceleport: fix write buffer corruption

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64289 iommufd: Set upper bounds on cache invalidation entry_num and entry_len

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set upper bounds on cache invalidation entrynum and entrylen iommufdhwptinvalidate takes a user-controlled entrynum and entrylen, each bounded only by U32MAX. An entrylen beyond the kernel's struct size makes the copy...

PT-2026-64655

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2cap chan timeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading...

PT-2026-64554

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the digi acceleport USB serial driver where the digi write inb command function fails to correctly handle timeouts. Instead of returning an error when a write URB USB...

Linux Distros Unpatched Vulnerability : CVE-2026-64409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for...

Linux Distros Unpatched Vulnerability : CVE-2026-64434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down whi...

Linux Distros Unpatched Vulnerability : CVE-2026-64333

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, b...

'serve-expired-client-timeout' and 'response-ip' CNAME redirect could lead to a crash

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CVE-2026-56444

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

CVE-2026-56444

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

CVE-2026-56444

CVE-2026-56444 affects NLnet Labs Unbound 1.20.0 through 1.25.1. When configured with serve-expired: yes and serve-expired-client-timeout > discard-timeout > 0, the discard-timeout branch in the serve-expired logic fails to decrement the counter for aged client replies, unlike other branche...

CVE-2026-56444 Degradation of resolution service when 'discard-timeout' and 'serve-expired-client-timeout' are combined in unusual configuration

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

CVE-2026-56444

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...